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A system consists of three masses m₁, m₂ and m₃ connected by a string passing over a pulley P. The mass m₁ hangs freely and m₂ and m₃ are on a rough horizontal table (the coefficient of friction = μ). The pulley is frictionless and of negligible mass. The downward acceleration of mass m₁ is (Assume m₁=m₂=m₃=m)
Options
(a) g(1-gμ)/9
(b) 2gμ/3
(c) g(1-2μ)/3
(d) g(1-2μ)/2
Correct Answer:
g(1-2μ)/3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Laws of Motion
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series
- In Young’s double slit experiment, the slit seperation is 1 mm and the screen
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
- Two spheres of mass m and M are situated in air and the gravitational force
Topics: Laws of Motion (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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